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Finding the Fourth Proportional to 182.21, 273.21 and 60.42

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Solution

The fourth proportional to 182.21, 273.21 and 60.42 is: 90.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    182.21 : 273.21 = 60.42 : x
  2. Step 2: Convert to fraction form
    182.21/273.21 = 60.42/x
  3. Step 3: Cross multiply
    182.21x = 273.21 × 60.42
  4. Step 4: Simplify right side
    182.21x = 16,508.37
  5. Step 5: Solve for x
    x = 16,508.37/182.21
  6. Step 6: Final answer
    x = 90.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.